China high quality 154-15-42241 Sun Gear for Komat Su D85A-21 Bulldozer straight bevel gear

Product Description

Product Description

We(HangZhou BST) export construction machinery parts, specializes in the manufacturing and supplying of Shantui, Cat and komat su parts for over 15 years.  Our company has a complete range such as  engine parts ,transmission parts,hydraulic parts,  electrical parts,drive parts,undercarriage parts, filter. Models such as komats D60/80/155,PC200/220/360 CAT D6/D7/D8/320/330 ect. The company provides high quality bulldozer parts and excavator parts that are designed to meet international standards. All of our products have undergone strict quality control protocols to ensure they maintain the highest standards. 
Our advantage lies in:High-quality products, Competitive prices, Timely transaction and Professional service.
We are suppliers and manufacturer for Komatu, Catpilar shantui and parts in china 
1. Excavator Parts:PC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400, PC650, 
PC750, PC850, PC1250 
2. Loader Parts :WA320/WA380/WA420/WA460
3.Dozer Parts:D31, D41, D50, D60, D65, D80, D85, D155, D355, D375, D475
4.All models CHINAMFG bulldozer from 80hp-520hp: CHINAMFG SD13 SD16 SD22 SD23 SD32  TY160 TY220 TY230 TY320 bulldozer parts,etc
   All CHINAMFG excavator: CHINAMFG SE60 SE130 SE210 SE220 SE240 SE330 SE360 excavator parts.
   All CHINAMFG Road roller: SR12 SR14 SR16 SR18 SR20 SR22 SR26 road roller parts.
   All CHINAMFG Motor grader : Shantui SG16 SG18 SG21 CHINAMFG Motor grader parts.
   All CHINAMFG wheel loader: CHINAMFG SL20W SL30W SL50W SL60W CHINAMFG wheel loader parts.

5.Cumins Engine: 4B/4BT/6BT/NTA855/KTA13/KTA38/QSK19/QSK23/QSK45/QSK60 etc
6.CAT Excavtor:CAT320C/325C/330C/345C/320D/323D/324D/330D etc
7. CAT dozer: D5B, D5C, D5G, D6C, D6D, D6G, D6M, D6N, D6K, D6H, D6R, D7G, D7F, D7R, D7N,
D8N, D8L, D8R, D8K, D8T, D9G, D9H, D9N, D9R .D10R, D9T, D10T, D11T, D11R, D11 series 
7.CHINAMFG Excavator: EC210B/240B/290B/360B/460B etc
8.Other: CHINAMFG forklift parts , CHINAMFG parts
708-1T-13310    piston sub ass’y
708-1T-13510    block ,cylinder
708-1S-13380    pin
708-1T-12420    bearing
706-73-4571    bearing
708-1T-13540    cuide ,retainer
708-1T-13550    reyeiner,shoe 
ND094200-0400    Pump assy feed
6262-71-1110    Pump hight pressure
6745-31-2150        piston
 6745-31-2140         pin
 6742-01-5309          ring snap
 6745-31-2571         piston ring ass’y
 6743-31-3210           metal
 6745-41-1110          camshaft ass’y
 6742-01-5160          bushing 
 6745-41-2100          tappet ass’y
 6745-41-4151          valve exhaust
 6745-41-4520           collect
 6745-11-1811           gasket head
 6745-41-3100          rod
6745-11-7810          gasket
 6732-21-1311          seal
 6743-21-4190          gasket
6741-21-3810          gasket
 6742-01- 0571            seal
 6742-01-0950         seal
 6745-21-5130           gasket
708-1W-43412    CAM ROCKER
708-1U-13310     PISTON SUB ASS’Y
708-1W-43341    RETAINER SHOE

154-15-42241 Sun gear for komat su D85A-21 bulldozer 

154-15-42241 Sun gear for komat su D85A-21 bulldozer 

Product Description
Part No.  154-15-42241
Part Name

 sun gear

warranty 1 year
delivery time 3-5 days 
package wooden case
MOQ 1 piece
delivery way By express/Air/Sea,as your needs



Q1:You are a trader or manufacturer . 
      We are a trader .

Q2: How about the payment terms ?
We usually accept T/T . Other terms also could be negotiated .

Q3: Warranty 
      3-6 months warranty.  If any parts break during the warranty, Just offer us the proof . We’ll send you a new 1 !

Q5:If parts be lost during delivery , how solve ? 
      We’ll resend the parts free of charge . 

After-sales Service: 1 Year
Warranty: 1 Year
Type: Crawler
Application: Bulldozer & Excavator
Certification: ISO9001: 2000
Condition: New
US$ 50/Piece
1 Piece(Min.Order)

Request Sample

sun gear

Can sun gears be used in renewable energy systems?

Sun gears can indeed be used in renewable energy systems, particularly in applications that involve the conversion and transmission of mechanical power. Let’s explore how sun gears can be utilized in different types of renewable energy systems:

  • Wind Turbines:

In wind turbines, sun gears can be employed as part of the gearbox mechanism. The gearbox is responsible for increasing the rotational speed of the wind turbine’s rotor to generate electricity efficiently. Sun gears, along with other gears such as planet gears and ring gears, can be used to achieve the desired gear ratios and torque amplification. By leveraging sun gears, wind turbines can convert the relatively low rotational speed of the rotor into the higher rotational speed required by the generator, which produces electricity.

  • Solar Tracking Systems:

Sun gears can also play a role in solar tracking systems, which are used to maximize the energy generation of solar panels by orienting them towards the sun throughout the day. These systems often utilize gears to control the movement of the solar panels. Sun gears can be incorporated into the gear mechanism to enable precise tracking and adjustment of the solar panels’ position, ensuring optimal sunlight exposure and energy capture.

  • Hydroelectric Power Plants:

In hydroelectric power plants, sun gears can be employed in the turbine and generator systems. These systems use the force of flowing or falling water to drive turbines, which, in turn, generate electricity. Sun gears can be part of the turbine’s gearbox, enabling the efficient conversion of the low-speed rotation of the turbine into the high-speed rotation required by the generator. By utilizing sun gears, hydroelectric power plants can enhance the power generation capabilities of the turbines.

  • Wave and Tidal Energy Converters:

Wave and tidal energy converters harness the power of ocean waves and tides to generate electricity. Sun gears can be utilized in the transmission systems of these converters. They can help convert the slow, oscillating motion of the waves or tides into a higher rotational speed suitable for driving generators. By incorporating sun gears, these converters can optimize the energy extraction process and improve the efficiency of power generation.

  • Geothermal Power Plants:

In geothermal power plants, sun gears can be used in various components of the energy conversion process. Geothermal power plants extract heat from the Earth’s interior to generate electricity. Sun gears can be employed in systems such as turbines and generators, where they facilitate the conversion of thermal energy into mechanical and electrical energy. By utilizing sun gears, geothermal power plants can enhance the efficiency and performance of the energy conversion systems.

In summary, sun gears can find applications in renewable energy systems such as wind turbines, solar tracking systems, hydroelectric power plants, wave and tidal energy converters, and geothermal power plants. By leveraging the functionality of sun gears, these systems can optimize power generation, increase efficiency, and contribute to the sustainable utilization of renewable energy sources.

sun gear

How do you calculate gear ratios involving a sun gear in planetary systems?

Calculating gear ratios in planetary systems involving a sun gear requires considering the number of teeth on the gears and their arrangement. Understanding the calculation process helps in determining the gear ratio and predicting the rotational relationship between the input and output gears. Here’s an explanation of how to calculate gear ratios involving a sun gear in planetary systems:

  • Step 1: Identify the Gears: In a planetary system, identify the gears involved, namely the sun gear, planet gears, and ring gear. The sun gear is the gear at the center, surrounded by the planet gears, which in turn engage with the outer ring gear.
  • Step 2: Count the Teeth: Count the number of teeth on each gear. The sun gear, planet gears, and ring gear all have a specific number of teeth. Let’s denote these as Ts (sun gear teeth), Tp (planet gear teeth), and Tr (ring gear teeth).
  • Step 3: Determine the Gear Ratio: The gear ratio in a planetary system involving a sun gear is calculated using the following formula:

Gear Ratio = (Tp + Tr) / Ts

  • Step 4: Interpret the Gear Ratio: The calculated gear ratio represents the rotational relationship between the input (sun gear) and output (ring gear) gears. For example, if the gear ratio is 2:1, it means that for every two revolutions of the sun gear, the ring gear completes one revolution in the opposite direction.
  • Step 5: Adjust for Multiple Planet Gears or Fixed Components: In some cases, planetary systems may involve multiple planet gears or fixed components. The presence of multiple planet gears affects the gear ratio, and the inclusion of fixed components alters the gear engagement and behavior. These factors may require additional calculations or adjustments to accurately determine the gear ratio.

In summary, calculating gear ratios involving a sun gear in planetary systems necessitates identifying the gears, counting the teeth on each gear, and applying the appropriate formula. The resulting gear ratio provides insights into the rotational relationship between the sun gear and the ring gear. It’s important to consider any additional elements, such as multiple planet gears or fixed components, that may influence the gear ratio calculation.

sun gear

Can you explain the role of a sun gear in planetary gear systems?

The sun gear plays a crucial role in planetary gear systems, contributing to their unique functionality and versatility. Understanding the specific role of the sun gear within these systems helps in comprehending their overall operation. Here’s an explanation of the role of a sun gear in planetary gear systems:

  • Power Input: The sun gear serves as the primary power input element in a planetary gear system. It receives rotational motion and torque from an external source, such as an engine or motor. This power input is transmitted to other gears within the system.
  • Engagement with Planet Gears: One of the distinctive features of a planetary gear system is the interaction between the sun gear and multiple planet gears. The planet gears are smaller gears that surround the sun gear and mesh with both the sun gear and an outer ring gear. This engagement allows for the transfer of torque and motion between the gears.
  • Power Distribution: As the sun gear rotates, it transmits torque to the planet gears through their meshing teeth. The planet gears, in turn, transfer the torque to the outer ring gear. This power distribution mechanism enables the sharing of torque among multiple gears within the system, allowing for load distribution and efficient power transmission.
  • Gear Ratio Control: By changing the arrangement and sizes of the sun gear, planet gears, and ring gear, planetary gear systems can achieve different gear ratios. The number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, determine the gear ratio. This flexibility in gear ratio control enables planetary gear systems to provide various output speeds and torque levels, catering to different operational requirements.
  • Torque Amplification: A key advantage of planetary gear systems is their ability to amplify torque. By employing a combination of the sun gear, planet gears, and ring gear, torque can be multiplied or reduced depending on the gear ratio configuration. This torque amplification feature is beneficial in applications where high torque output is required, such as automotive transmissions and heavy machinery.
  • Directional Control: Another notable aspect of planetary gear systems is their directional control capability. By fixing or holding the sun gear while the ring gear or planet carrier is driven, the gear system can achieve different output directions, such as forward or reverse rotation. This directional control adds versatility to gear systems, enabling them to be used in various mechanical applications.

In summary, the sun gear in planetary gear systems serves as the power input element, engages with planet gears, distributes torque, controls gear ratios, provides torque amplification, and enables directional control. Its role is essential in achieving efficient power transmission, versatile gear ratios, and adaptable functionality in a wide range of mechanical applications.

China high quality 154-15-42241 Sun Gear for Komat Su D85A-21 Bulldozer straight bevel gearChina high quality 154-15-42241 Sun Gear for Komat Su D85A-21 Bulldozer straight bevel gear
editor by CX 2023-10-11